Home / 681,836.16-940,543.74-426,744.48

Finding the Fourth Proportional to 681,836.16, 940,543.74 and 426,744.48

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Solution

The fourth proportional to 681,836.16, 940,543.74 and 426,744.48 is: 588,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,836.16 : 940,543.74 = 426,744.48 : x
  2. Step 2: Convert to fraction form
    681,836.16/940,543.74 = 426,744.48/x
  3. Step 3: Cross multiply
    681,836.16x = 940,543.74 × 426,744.48
  4. Step 4: Simplify right side
    681,836.16x = 401,371,849,243.56
  5. Step 5: Solve for x
    x = 401,371,849,243.56/681,836.16
  6. Step 6: Final answer
    x = 588,663.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.